Three-dimensional characterization of the pore structure of a simulated cement paste

Characterization of the pore structure of cement paste is of fundamental importance for understanding the mechanical and transport properties of cementitious materials. The influence of cement particle size distribution on the hydraulic radius and on the connectivity of the capillary pore space of h...

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Bibliographic Details
Published in:Cement and concrete research 1999-04, Vol.29 (4), p.507-514
Main Authors: Navi, Parviz, Pignat, Christian
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Cement concrete constituents
Cement paste
Cements
Exact sciences and technology
Hydration
Materials
Particle size distribution
Pore size distribution
Properties of anhydrous and hydrated cement, test methods
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Summary:Characterization of the pore structure of cement paste is of fundamental importance for understanding the mechanical and transport properties of cementitious materials. The influence of cement particle size distribution on the hydraulic radius and on the connectivity of the capillary pore space of hydrated tricalcium silicate (C 3S), simulated by an “integrated particle kinetics model” was studied previously. In this article, the pore size distribution of a simulated cement paste is determined by applying two different techniques: a two-dimensional numerical mercury intrusion technique and a morphological thinning and partitioning of void space technique. The results are discussed.
ISSN:0008-8846
1873-3948
DOI:10.1016/S0008-8846(98)00199-9